Transmission of HIV in a cluster of young heterosexuals in a low prevalence area.
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D000293:Adolescent; D000328:Adult; D005260:Female; D015658:HIV Infections / Q000453:epidemiology / Q000635:transmission*; D006801:Humans; D008297:Male; D015995:Prevalence; D012725:Sexual Behavior; D012747:Sexual Partners; D015819:Substance Abuse, Intravenous